49944681 has 20 divisors (see below), whose sum is σ = 75730512. Its totient is φ = 32795928.

The previous prime is 49944679. The next prime is 49944701. The reversal of 49944681 is 18644994.

49944681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49944681 - 2¹ = 49944679 is a prime.

It is a super-2 number, since 2×49944681² = 4988942320383522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49946681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 826 + ... + 10028.

Almost surely, 2^49944681 is an apocalyptic number.

It is an amenable number.

49944681 is a deficient number, since it is larger than the sum of its proper divisors (25785831).

49944681 is an equidigital number, since it uses as much as digits as its factorization.

49944681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9282 (or 9273 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49944681 is about 7067.1550853225. The cubic root of 49944681 is about 368.2672351016.

It can be divided in two parts, 49944 and 681, that added together give a 4-th power (50625 = 15⁴).

The spelling of 49944681 in words is "forty-nine million, nine hundred forty-four thousand, six hundred eighty-one".